UL 2539 W4

Oil // district 10 // lease#55703

op: QEP ENERGY COMPANY

cum_oil

284k BBL

cum_gas

0 MCF

wells

1

production

2021-01 — 2026-03

peak_month

2021-08

-- production_history

cum_oil: 283,847 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

25,169 BBL/mo

Di (annual)

185.7%

b-factor

0.4

EUR

270,301 BBL

R-squared

0.929

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14MBQEP ENERGY COMPANY18,9902020-01-29
EOF // data source: Texas Railroad Commission // 2026